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You searched for: Author National Atlas of the United States Remove constraint Author: National Atlas of the United States Subject Biology and Ecology Remove constraint Subject: Biology and Ecology Place United States Remove constraint Place: United States Year 2014 Remove constraint Year: 2014
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1. 1:1,000,000-Scale National Wilderness Preservation System of the United States, 2014

2014. National Atlas of the United States. This polygon shapefile consists of National Wilderness Preservation System areas of 320 acres or more, in the United States, Puerto Rico, and the U... National Atlas of the United States.